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Turning system for pile top supporting travelling type movable pile driving platform and construction method

A technology of piling platform and steering system, applied in sheet pile wall, foundation structure engineering, construction, etc., can solve the problems of high construction risk, cumbersome and time-consuming steering method, etc.

Active Publication Date: 2021-01-29
CCCC WUHAN HARBOR ENG DESIGN & RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The steering method is cumbersome and time-consuming, and the disassembly and assembly of the platform are all offshore operations, and the construction risk is extremely high

Method used

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  • Turning system for pile top supporting travelling type movable pile driving platform and construction method
  • Turning system for pile top supporting travelling type movable pile driving platform and construction method
  • Turning system for pile top supporting travelling type movable pile driving platform and construction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Such as Figure 1~4 Among them, there is a steering system used for pile tops to support walking-type mobile piling platforms. The bottom of the steering platform support 71 is fixed with a plurality of pile caps 72, and the pile caps 72 are used to be fixedly installed on the top of the pile foundation 3 that has been laid. The steering platform support 71 is provided with a lower turntable 75, and the upper turntable 74 is rotatably connected with the lower turntable 75;

[0044] The edge of the upper turntable 74 is also provided with a traction wire rope 73 for pulling the upper turntable 74 to rotate. This structure is used to carry the pile driving platform 1 to rotate.

[0045] The preferred solution is as image 3 , 4 Among them, a plurality of support wheel boxes 76 are provided between the upper turntable 74 and the lower turntable 75, the support wheel boxes 76 are arranged along the circumference, and the support wheel boxes 76 are installed in the annula...

Embodiment 2

[0059] On the basis of Example 1, such as Figure 7~12 Among them, a construction method using the steering system of the above-mentioned pile top supporting walking type mobile piling platform includes the following steps:

[0060] S1. After the construction of piling platform 1, the L-shaped wharf 9 rests on the land-side steel pipe pile. The initial position is as follows Figure 7 As shown in , operate the pushing device 2 to make the piling platform 1 return to Figure 8 position in . Give way to the position where the steering platform 7 is installed. The pushing steps of the jacking device 2 are as follows: the piling platform 1 is initially supported on the top of the support seat 22 of the jacking device 2, the jacking cylinder 26 is lifted to separate the piling platform 1 from the jacking device 2, and the jacking cylinder 23 moves, The displacement of the first sliding seat 24 drives the displacement of the piling platform 1 relative to the support seat 22 for a ...

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Abstract

The invention provides a turning system for a pile top supporting walking type movable pile driving platform and a construction method. The turning system is characterized in that a plurality of pilecaps are fixedly arranged at the bottom of a turning platform supporting seat, a lower rotary disc is arranged on the turning platform supporting seat, and an upper rotary disc is connected with the lower rotary disc in a rotatable mode; a traction steel wire rope is further arranged on the edge of the upper rotary disc and used for pulling the upper rotary disc to rotate. The construction methodis characterized in that during construction, jacking pushing devices are arranged on pile foundations, and the pile driving platform is arranged on the jacking pushing devices; a turning platform ishoisted to the pile foundation at the position needing turning through a hoisting device and is fixed; the pile driving platform is moved to the position above the turning platform through the jackingpushing devices and falls on the upper rotary disc of the turning platform; and a traction hydraulic cylinder on the turning platform is started to pull the upper rotary disc to rotate relative to the lower rotary disc; Through the steps, turning of the pile driving platform is achieved. According to the turning system for the pile top supporting walking type movable pile driving platform and theconstruction method, the problem that an existing pile driving platform is tedious and complex in turning operation is solved, and the turning operation can be completed without disassembling and assembling the pile driving platform again.

Description

technical field [0001] The invention relates to the field of offshore pile foundation construction, in particular to a steering system and a construction method for supporting a walking-type mobile piling platform on a pile top. Background technique [0002] Pile top support walking type mobile piling platform is a platform for offshore pile foundation construction. The platform is based on the pile foundation that has been constructed, and is moved by pushing and positioning devices, such as Chinese patent documents CN105421454A, CN106320332A, CN 107653858 The piling platform and construction method described in A. This platform solves the problem of difficult pile foundation construction in the swell area of ​​the open sea, improves construction efficiency, and reduces manual labor. But above-mentioned piling platform can only finish linear movement, when carrying out such as Figure 7~12 When the platform moves to the turning position during the pile foundation construct...

Claims

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Application Information

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IPC IPC(8): E02D7/16
CPCE02D7/16
Inventor 薛志武谢小琴阮明华薛帆李阳
Owner CCCC WUHAN HARBOR ENG DESIGN & RES
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